2872920943 has 2 divisors, whose sum is σ = 2872920944. Its totient is φ = 2872920942.

The previous prime is 2872920937. The next prime is 2872920977. The reversal of 2872920943 is 3490292782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2872920943 - 2¹³ = 2872912751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2872920893 and 2872920902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2872920923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436460471 + 1436460472.

It is an arithmetic number, because the mean of its divisors is an integer number (1436460472).

Almost surely, 2^2872920943 is an apocalyptic number.

2872920943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872920943 is an equidigital number, since it uses as much as digits as its factorization.

2872920943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 2872920943 is about 53599.6356610752. The cubic root of 2872920943 is about 1421.5906500795.

The spelling of 2872920943 in words is "two billion, eight hundred seventy-two million, nine hundred twenty thousand, nine hundred forty-three".